Porthmeor silver adjustable keyhole limpet shell ringSolid sterling silver statement ring with cast keyhole limpet shell, the original shell was found on Porthmeor beach. The silver has been polished to highlight the textured surface which has been hammered to create a lined effect. The wide ring band is adjustable and can be stretched open or squeezed closed for a comfortable fit. SIZE: shell size approx 18 mm x 11 mm & ring band 10 mm wide adjustable size to fit finger The ring weighs approx 6 g & is